I believe they will need to go in with heavier equipment, not necessarily to do battle, but sometimes you need to show force in order not to use it, ... You have to have a credible presence so that they don't even dare to challenge you.
Opinions among Iraqis differed widely, as they still do, about the reasons for the foreign military presence in their country,
As we move forward into the future, the role of the United Nations in legitimizing a military presence on the ground, and giving it a mandate, and allowing it to operate, becomes absolutely essential,